Assigxob of oxe-half to



HAMILTON. BIRF` ESCAPE.

(No Model.)

Y Patent-ed Dec.' 23, v1884.

Attorne'z/g lllnrrien srl-iras Ottieni..

TOBTAS HAMILTON, OF OEN'lB-EFIELD, OHIO, ASSlGlYO-lt OF ONE-HALF TO SAMUEL SO'LLARS, OF SAME PLACE.

FE RESOAPE.

SPECIFICATIONfeIming part of Letters Patent No.30919, dated December 23, 1884. Application filed October $27, 1884. (Xo model.)

To all wlw-m, t may concern.' staircase is secured to said shaft and to the Be it known that I, Tennis HAMILTON, a inner side of the inner tower, said staircase citizen of the United States, residing at Oenextending from top to bottoln. Said stairtreiield, in the county ot' Highland and State ease F is equipped with a railing, a, which is ot' Ohio, have invented a new and useful Imattached to the shaft E. At each story ofthe 55 proveinent in Fire-Escapes, of which the iolbuilding is a door communicating with the lowing is a speciiieation, reference being had air-chamber between the inner and outer towto the accompanying drawings. ers.

My invention relates to lire-escapes, and it G representsl series of rooms which are i@ has ior its object to provide a device ot' this formed between the inner and outer towers at 6o character which shallbe thoroughly hre-prooi', each story cf the building. These rooms are thus insuring tothe occupants et' a building air-tight, and have no communication with a safe descent. the air-chamber. A door is provided in each A further object of the invention is to l'nrof these rooms, which communicates with the nish a hre-escape which shall be cheap and stairway in the inner casing or tower. The 65 simple in its construction, and to provide doers communicating with these rooms are such escape with a tunnel, whereby persons equipped with springs or weights, in order escaping from a lmrningbuilding willbe protliat they will always be kept closed. The tected from the falling timbers and other niabottoni oit' these series of rooms formed in the terial. ai r-chamber at each story of the building has 70 1With these ends in view the invention coucommunication with the interior of the tower, sists in a tower constructed of brick, stone, and communicates with a passage or tunnel or like material, au inner tower or easing scpl leading to seine point at a distance from the arated from the outer tower by an air-space, burning building.

doors arranged to connect with said inner It will be seen that with iny improved es- 75 casing at each story, and a suitably-arranged cape the descent may be made without any tunnel. danger, that the structure is thoroughly fire- 'lhe invention further consists in the iniproot, and that by the employment of a tunproved construction and combinations of nel, as described, there will be no possible 3o parts hereinafter fully described, and pointed chance of persons being struck by falling tim- S0 out in the claims. bers. It will also be seen that an escape con- In the drawings, Figure l is an elevation structed as above described is simple and el' a building provided with my improved esdurable. i cape. Fig. 2 is a horizontal section on the Having fullyfleseribed niyinvention, whatl line .fr x of Fig. l. claim as new, and desire to secure by Letters S5 In the accompanying drawings, in which Patent, islike letters of reference indicate correspondl.. A iireeseape tower consisting et an ining parts in all the iigures, A represents a ner and an euterstrueture extending from the building, and B rny improved escape contop to the bottom ef a building and leaving' il@ nected therewith. This esca-pe consists of a an air-space between them, substantially as 9o tower which extends the entire height of the set forth.

building, and is preferably constructed of 2. A rire-escape consisting of an inner and brick or stone. Arranged concentrically withan outer tower arranged to leave an air-space in the outer tower is a tower preferably conbetween them, a spiral staircase in said inner 4,5 structed of iron plates riveted together. A tower, and air-tight passage-ways eominunispace, D, is left between the inner tower, C, eating with said inner tower, substantially "as and the outer tower, B. set forth.

E represents a shaft, which is arranged 3. Anie-escape consisting of an outer tower within the inner tower, O, and extends from of brick or stone and inner tower of iron arthe top to the bottom of the same. A spiral ranged to leave an air-space between them, ion

air-tight rooms formed in Said space at each l tweenA the two towers, substantially as set Io landing, and having Communication with both forth.

the inner tower and the building', substan- In testimony that I claim thevforegoing as tially as set forth. my own I have hereto affixed my signature in 4. A fire-escape consisting of an inner and presence of two witnesses. f

an outer tower arranged to leave an air-space TOBIAS HAMILTON.

between them, and a tunnel having oommnni- W'itiiessesz cation with the inner tower at its lower end A. HARRIS,

by means of a passage in the air-space be- LEWIS PFISTER. 

